PHP uses the file storage session by default, which is very inefficient if the concurrency is large. Redis's support for high concurrency is very good, so you can store the session using Redis alternative files.Here, we introduce the function of PHP session_set_save_handler and how to use it. This function defines a user-level session save function (such as open, close, write, etc.). The prototype is as fol
This article mainly introduces the use of Redis alternative file storage session method, combined with the case of a detailed analysis of the session of the basic operating methods and the use of Redis storage session related skills, the need for friends can refer to the next
The example in this article describes how PHP uses
: This article mainly introduces the alternative method of session storage redis. if you are interested in the PHP Tutorial, please refer to it. Php uses the file storage session by default. if the concurrency is large, the efficiency is very low. Redis provides excellent support for high concurrency. Therefore, you can use r
Reprint: http://fanshuyao.iteye.com/blog/2384074First, Redis:Https://github.com/MicrosoftArchive/redis/releases1, Redis-x64-3.2.100.msi for the installation version2, Redis-x64-3.2.100.zip for compression packageSecond, because I use the installation version, this issue is also the installation version of the problem1, after the installation of the directory2. Th
Introduction to alternative syntax in PHP and introduction to alternative syntax in PHP. Introduction to alternative syntax in PHP. Introduction to alternative syntax in PHP today I checked the wordpress code, which contains some rare Alternative php syntax. the copied code
Explanation of alternative JavaScript writing, explanation of alternative javascript writing
JavaScript is a Web scripting language!
JavaScript is used by millions of web pages to improve design, validate forms, detect browsers, create cookies, and more applications.
JavaScript is the most popular scripting language on the Internet.
JavaScript is easy to use! You will love it!
JavaScript is an interpreted s
Introduction to Alternative syntax in PHP, Introduction to PHP alternative syntax
Today looked at the WordPress code, there are some rare php substitution syntax,Copy the Code code as follows:→', ' Thebox '));?>
What does the colon and endif after else mean? Rookie one, have not seen, so on Google a bit, just understand that this is the substitution of PHP syntax,
The colon (:) equivalent to the left c
PHP Return statement alternative usage, Phpreturn statement alternative
Share another function of the PHP return statement, and see a wonderful way to use it in the Bbpress code.
Always think that return can only appear in the function until the bbpress code is seen:
PHPrequire_once('./bb-load.php '// The magic happens here. if $self {ifstrpos($selffalse ) {require( $self Else {require(Bb_path). ' p
Alternative prompt box, alternative
The prompt box I mentioned here refers to a prompt box that appears at the position of the icon when you move the mouse over the icon to be prompted.
Sorry, what can I say about this?
How can you achieve this?
The initial practice is to use psto create a png Image in the content area of the prompt box and a png Image pointing to the position. Then, use this image as the p
String template: a simpler alternative and a string template alternative
The introduction of the new string Template object makes the string module re-active. The Template object has two methods: substitute () and safe_substitute (). the former is more rigorous. when the key is missing, it will report a KeyError exception, while the latter directly displays the string intact when the key is missing.
>>> F
Alternative AOP design, alternative aop
Common AOP designs are based on Remoting RealProxy, Emit-based Dynamic proxy, or reflection-based Attribute scan interception. However, we also have an alternative Interception Scheme DynamicObject. As long as we inherit DynamicObject and overload several methods, let's not talk about it. Let's talk about the code.
public
Js Code alternative hijacking login form, js alternative hijacking form
Where is the alternative? In other words, an external js is provided on the page to hijack the login function, and I can modify the js below it (the only one, and it is useless ).
The Code in that js uses jQuery to replace the function login of the web page that is then loaded with its own
SignalR's alternative implementation skills and signalr's alternative skills
A long time ago, I published an article titled "learn three implementation methods of SignalR through three demos". In that article, I described in detail the commonly used SignalR implementation methods in WEB applications, today, we use SignalR to implement other usage, such as communication between B/S and C/S, for example, comm
SignalR's alternative implementation skills and signalr's alternative skills
A long time ago, I published an article titled "learn three implementation methods of SignalR through three demos". In that article, I described in detail the commonly used SignalR implementation methods in WEB applications, today, we use SignalR to implement other usage, such as communication between B/S and C/S, for example, comm
) maxmemory
Redis configuration-append Mode
# By default, Redis asynchronously exports data to the disk. This mode is good enough in many applications, but Redis process # a problem or power failure may cause a loss of write operations for a period of time (depending on the configured save command ). # AOF is a more reliable
Redis basic 4-redis service, redis basic 4-redis
Redis configuration file
The main problem was that redis. pid was not found.
Below is my configuration file
# By default Redis does not
written into Redis will be lost. This may not be a problem for some applications, but it is not an ideal choice for snapshot methods in scenarios with high persistence requirements. AOF file is an alternative solution for maximizing data persistence. Similarly, you can use the configuration file to open and close AOF:
# Disable AOFappendonly no # enable AOFappendonly yesAfter the value of appendonly is set
persistence
Master-slave settings
Asynchronous replication
Monitor sentpost, pass, and automatic troubleshooting
Transactions
Publish and subscribe to messages
Automatically reclaim the least frequently used key values
Automatically reclaim expired key values
Script (use Lua)
Basic Use Cases of Redis
Redis can be used for multiple purposes. It acts as an ultra-fast distributed buffer. However, it i
Redis has created a new way of storing data. When using redis, we don't have to focus on how to put elephants in the refrigerator in the face of monotonous databases, instead, redis uses flexible data structures and data operations to build different refrigerators for different elephants. Common redis Data Types
1,connectDescription: The instance is connected to a redis.Parameters: Host:string,port:intReturn value: BOOL successfully returned: TRUE; failed return: FALSE
$redis = new Redis ();$result = $redis-gt;connect (' 127.0.0.1 ', 6379);Var_dump ($result); Result: BOOL (TRUE)?>2,setDescription: Sets the value of key and valueParameter: Key ValueReturn value: BOOL suc
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